The Microfrontend Revolution Module Federation with Angular @techWebinarNepal

15934fa2aa7b2ce21f091e9b7cffa856?s=47 Manfred Steyer
September 13, 2020
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The Microfrontend Revolution Module Federation with Angular @techWebinarNepal

15934fa2aa7b2ce21f091e9b7cffa856?s=128

Manfred Steyer

September 13, 2020
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Transcript

  1. @ManfredSteyer ManfredSteyer The Microfrontend Revolution Module Federation with Angular Manfred

    Steyer, ANGULARarchitects.io

  2. @ManfredSteyer Do you remember her? Bonnie Barstow, PhD

  3. @ManfredSteyer Software Engineering is a Team Sport

  4. @ManfredSteyer Coordination b/w Teams

  5. @ManfredSteyer Monolith Flight System

  6. @ManfredSteyer Booking Service Check-in Service Boarding Service Luggage Service Microservices

    Sub-Domains (DDD)

  7. @ManfredSteyer Booking App Check-in App Boarding App Luggage App Microfrontends

  8. @ManfredSteyer

  9. @ManfredSteyer

  10. @ManfredSteyer Contents #1: Consequences of Microfrontends #2: Module Federation #3:

    Dynamic Module Federation #4: Version Mismatch #5: Possible Roadmap

  11. @ManfredSteyer Manfred Steyer

  12. @ManfredSteyer

  13. @ManfredSteyer Booking App Check-in App Boarding App Luggage App Autonomous

    Teams

  14. @ManfredSteyer Autonomous Teams Separate Development Separate Deployment Own architecture decisions

    Own technology descisions

  15. @ManfredSteyer

  16. @ManfredSteyer

  17. @ManfredSteyer Challenges UI Composition UI Consistency Bundle Size/ Sharing Dependencies

    Version Conflicts between Microfrontends …

  18. @ManfredSteyer Module Federation Solves Some of Them! UI Composition UI

    Consistency Bundle Size/ Sharing Dependencies Version Conflicts between Microfrontends …

  19. @ManfredSteyer

  20. @ManfredSteyer

  21. @ManfredSteyer

  22. @ManfredSteyer Idea const Component = await import('http://other-app/xyz') Does not work

    with webpack/ Angular CLI Even lazy parts must be known at compile time!

  23. @ManfredSteyer Webpack 5 Module Federation Shell (Host) Microfrontend (Remote) //

    Maps Urls in // webpack config remotes: { mfe1: "mfe1" } // Expose files in // webpack config exposes: { Cmp: './my.cmp.ts' } import('mfe1/Cmp')

  24. @ManfredSteyer How to Get the Microfrontend's URL? Shell (Host) Microfrontend

    (Remote) RemoteEntrypoint.js <script src="…"></script>

  25. @ManfredSteyer How to Share Libs? Shell (Host) Microfrontend (Remote) shared:

    [ "@angular/core", "…" ] shared: [ "@angular/core", "…" ]

  26. @ManfredSteyer

  27. @ManfredSteyer

  28. @ManfredSteyer Dealing with Version Mismatch SemVer by Default: Highest compatiable

    version Fallback: Use own version Relaxing: Configure a range of accepted versions Singleton: Warning or error

  29. @ManfredSteyer Configuring Singletons shared: { "my-lib": { singleton: true, strictVersion:

    true // Error instead of warning! } }

  30. @ManfredSteyer Relaxing Version Requirements shared: { "my-lib": { requiredVersion: ">=1.0.1

    <11.1.1" } }

  31. @ManfredSteyer

  32. @ManfredSteyer Well … Webpack 5 is currently beta Shown examples:

    PoC w/ custom webpack conf + patched CLI lib CLI: Not before version 11 (fall 2020) Squeeze federation config into CLI's webpack config Custom Builder (e. g. ngx-build-plus)

  33. @ManfredSteyer Free eBook ANGULARarchitects.io/book Updated for Module Federation and Alternatives

  34. @ManfredSteyer Conclusion Main Purpose of µFrontends: Scaling Teams Decoupling Federation:

    Import From Other App Sharing Libs Take Care of Conflicts

  35. @ManfredSteyer Be like Bonnie and think first! Evaluate whether you

    need µFrontends No: Majestic Monolith Yes: Consider Module Federation

  36. @ManfredSteyer d Slides & Examples Remote Company Workshops and Consulting

    http://angulararchitects.io